JitArm64: fix addzex
CMP don't update the carry flag, so we have to use an addition.
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@ -678,17 +678,12 @@ void JitArm64::addzex(UGeckoInstruction inst)
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JITDISABLE(bJITIntegerOff);
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FALLBACK_IF(inst.OE);
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// breaks Kirby
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FALLBACK_IF(1);
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int a = inst.RA, d = inst.RD;
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gpr.BindToRegister(d, d == a);
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ARM64Reg WA = gpr.GetReg();
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LDRB(INDEX_UNSIGNED, WA, X29, PPCSTATE_OFF(xer_ca));
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CMP(WA, 0);
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CSINC(gpr.R(d), gpr.R(a), gpr.R(a), CC_EQ);
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CMP(gpr.R(d), 0);
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ADDS(gpr.R(d), gpr.R(a), WA);
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gpr.Unlock(WA);
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ComputeCarry();
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if (inst.Rc)
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